Archive: 01/23/2007

Scientists observe drumlin beneath ice sheet

Scientists have discovered a warehouse-sized drumlin – a mound of sediment and rock – actively forming and growing under the ice sheet in Antarctica. Its discovery, and the rate at which it was formed, sheds new light ...

Jan 23, 2007
4.2 / 5 (6) 0

Thinking with the spinal cord?

Two scientists from the University of Copenhagen have demonstrated that the spinal cord use network mechanisms similar to those used in the brain. The discovery is featured in the current issue of Science.

Jan 23, 2007
4.6 / 5 (7) 0

Hydrogen-powered lawnmowers?

In a breakthrough that could make fuel cells practical for such small machines as lawnmowers and chainsaws, researchers have developed a new mechanism to efficiently control hydrogen fuel cell power.

Jan 23, 2007
4.4 / 5 (34) 0

New dopamine brain target discovered

A team of Canadian researchers, lead by Dr. Susan George and Dr. Brian O'Dowd at the Centre for Addiction and Mental health (CAMH), discovered a distinct dopamine signalling complex in the brain. Composed of two different ...

Jan 23, 2007
5 / 5 (2) 0

Turning an axel mounted molecular wheel

Researchers at the Centre for Material Development and Structural Studies in Toulouse (CEMES-CNRS) and their colleagues at the Free University of Berlin have, for the first time, managed to control the rotation of a wheel ...

Jan 23, 2007
4.4 / 5 (7) 0

Taking entanglement beyond one ebit

“Entanglement is a main part of quantum mechanics, and it is important to obtain a high degree of it in physical systems,” Lucas Lamata tells Lucas Lamata is a scientist with the Institute for Fundamental Mathem ...

Jan 23, 2007 feature
3.8 / 5 (24) 0

Common mechanisms for viral DNA replication

How DNA replicates is a critical question for understanding life. DNA replication remains difficult to investigate in eukaryotes,where it occurs within the confines of the double-membrane nucleus.

Jan 23, 2007
3.5 / 5 (2) 0

Who laid the first egg?

A decade ago, Shuhai Xiao, associate professor of geosciences at Virginia Tech, and his colleagues discovered thousands of 600-million-year-old embryo microfossils in the Doushantuo Formation, a fossil site ...

Jan 23, 2007
4.1 / 5 (7) 0

The floral network -- What determines who pollinates whom

A field of spring wildflowers, abuzz with busy insects seeking nectar and spreading pollen, may look like a perfect model of random interaction. But ecologists have discovered order within this anarchy. For ...

Jan 23, 2007
3.7 / 5 (3) 0

Light-Emitting Diodes for Night-Vision Displays

More and more, conventional inorganic semiconductor electronics are being complemented with organic components. For example, flexible displays, large illuminated displays, or flat-panel displays can be made from organic light-emitting ...

Jan 23, 2007
4.2 / 5 (20) 0
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